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    <title>Document</title>
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    <script>
        // 100 的 求和
        function sum() {
            let result = 0;
            for (let i = 0; i <= 100; i++) {
                result = result + i;
            }
            console.log(result);
        }

        sum();
        // 作业：逢 7 过的函数
    </script>
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